.box {
    width: 200px;
    height: 200px;
    /* flex */
    display: flex;
    flex-wrap: wrap;
    border: 3px solid red;
    border-radius: 20px;
}

.inbox {
    height: 25px;
    width: 25px;
    text-align: center;
    background-color: black;
    border-radius: 500px;
}

.pot1 {
    width: 100px;
    height: 100px;
    /* flex */
    display: flex;
    justify-content: center;
    align-items: center;
}

.box2 {
    width: 200px;
    height: 200px;
    /* flex */
    display: flex;
    flex-wrap: wrap;
    border: 3px solid red;
    border-radius: 20px;
}

.pot2 {
    height: 200px;
    width: 33.3%;
    /* flex */
    display: flex;
    text-align: center;
    margin: 0 auto;
}

.box2 div:nth-child(2) {
    align-items: center;
}

.box2 div:nth-child(3) {
    align-items: flex-end;
}

.box3 {
    width: 200px;
    height: 200px;
    /* flex */
    display: flex;
    flex-wrap: wrap;
    border: 3px solid red;
    border-radius: 20px;
}

.inbox3 {
    height: 25px;
    width: 25px;
    text-align: center;
    background-color: black;
    border-radius: 500px;
}

.pot3 {
    height: 50px;
    width: 50%;
    display: flex;
    text-align: center;
    margin: 0 auto;
}